in derivatives, formerly not infrequent for CARDI- from Gr. καρδία heart, on account of the identity of meaning and greater familiarity of the Latin cor, cord-: e.g., Cordialgic, Cordignostic (properly cardiognostic), Cordiology.
1659. C. Noble, Inexped. of Exped., 4. I shall leave that to the great Cordignostick that is above.
1725. Bradley, Fam. Dict., II. s.v. Stomach, A Cordialgick Pain.
1817. Blackw. Mag., I. 38. Why may not the human heart be registered in a good sized quarto volume and be made the basis to a system of Cordiology. Ibid. To expose her heart to the manipulation of a cordiologist.